From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6AD4C43441 for ; Thu, 29 Nov 2018 02:39:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78A3B206B6 for ; Thu, 29 Nov 2018 02:39:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="qh0tFGJy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78A3B206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-block-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727440AbeK2Nnm (ORCPT ); Thu, 29 Nov 2018 08:43:42 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:33792 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726954AbeK2Nnm (ORCPT ); Thu, 29 Nov 2018 08:43:42 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wAT2d1XR087528; Thu, 29 Nov 2018 02:39:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=BgaSc0tBIjA2WcoXmp+eGKvdbZIcMyrLcFJnZSIHX+c=; b=qh0tFGJylffoMOu0T7K3Eeoe5ZHhNSned3Y3qX/PGXIKeinggESg+cJYyiX+tMs1q4g8 jHphHZHaBO6NjpTms621YTdJbBRRFavWGkoP46Zow7CwaAGDL4ufWrDq6GSnChZXBf7r CSwIs4v5iY1D0u4O+lX63YjEBrYXRoqn47GQyjy6LyoasLFItdv+M5zpGsommDOOIsqv eGfgFptfqi7ZT43865DZ3hXnl9qzZMekiJOHwy+ZeTnCwkyavtrnMH5DeTGgfkNtz2GW u+9rbjFn7RJ8kEOdoPOb1QPeT1j/zNmPso8CVAmDrCfbQyb5rYukOnfk4yZ+wD4uR4UE ag== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp2120.oracle.com with ESMTP id 2nxxkqnnkq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Nov 2018 02:39:49 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wAT2dmlH006715 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Nov 2018 02:39:48 GMT Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wAT2dlHg022801; Thu, 29 Nov 2018 02:39:47 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 28 Nov 2018 18:39:46 -0800 To: Ming Lei Cc: Christoph Hellwig , Jens Axboe , Keith Busch , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org, Martin Petersen , Bart Van Assche Subject: Re: [PATCHv4 0/3] scsi timeout handling updates From: "Martin K. Petersen" Organization: Oracle Corporation References: <20181126165430.4519-1-keith.busch@intel.com> <20181128021959.GG11128@ming.t460p> <20181128070010.GA20369@lst.de> <20181128100659.GA16495@ming.t460p> <20181128100848.GA23567@lst.de> <20181129021521.GB23390@ming.t460p> Date: Wed, 28 Nov 2018 21:39:44 -0500 In-Reply-To: <20181129021521.GB23390@ming.t460p> (Ming Lei's message of "Thu, 29 Nov 2018 10:15:22 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9091 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=881 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811290019 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Ming, > On Wed, Nov 28, 2018 at 11:08:48AM +0100, Christoph Hellwig wrote: >> On Wed, Nov 28, 2018 at 06:07:01PM +0800, Ming Lei wrote: >> > > Is this the nvme target on top of null_blk? >> > >> > Yes. >> >> And it goes away if you revert just the last patch? > > Today I run this test again and can't reproduce it any more. > > So maybe not a new issue, and it is just triggered in yesterday's > for-4.21/block, :-) Can you reproduce with yesterday's tree then? I'm obviously a bit concerned about merging something without knowing the cause of the problems you were seeing. -- Martin K. Petersen Oracle Linux Engineering